判断题
错误(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
A.0.5mm B.1mm C.1.5mm D.2mm
A.看→敲→照→拆→判 B.看→照→敲→拆→判 C.看→拆→照→敲→判 D.看→敲→拆→照→判
A.20mm B.30mm C.40mm D.50mm
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